Un cadre pour l'évaluation du crabe des neiges (Chionoecetes opilio) dans la région des Maritimes (divisions 4VWX de l'OPANO)

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Language of the publication
French
Date
2023
Type
Report
Author(s)
  • Choi, Jae S.
Publisher
Pêches et Océans Canada, Secrétariat canadien des avis scientifiques

Abstract

This is a review of spatiotemporal modeling in the context of stock assessment of Snow Crab (Chionoecetes opilio) in Maritimes Region. We discuss the rationale for using autocorrelation function and conditional autoregressive areal unit models. We demonstrate the utility of the latter to estimate abundance in sampling programs prone to incomplete sampling or logistical failure. These considerations suggest significant utility in basing future assessments on areal unit models. They also suggest that a systematic application of such methods across all species would provide meaningful comparisons of interspecific use of space and ecosystem requirements/sensitivities. They are also easily adapted to prognostic climate change scenarios. These are simple but necessary steps towards a truly ecosystem-based management of fisheries.

Description

1 online resource (v, 106 pages) : maps, charts

Subject

  • Nature and environment,
  • Water

Pagination

v, 106 pages

Identifiers

Government document number
Fs70-5/2023-077F-PDF
ISBN
9780660679365
ISSN
2292-4272

Report

Report no.
2023/077
Series title
Document de recherche (Secrétariat canadien des avis scientifiques)

Citation(s)

Choi, J.S. 2023. Un cadre pour l’évaluation du crabe des neiges (Chionoecetes opilio) dans la région des Maritimes (divisions 4VWX de l’OPANO). Secr. can. des avis sci. du MPO. Doc. de rech. 2023/077. v + 106 p.

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Collection(s)

Fisheries

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